body,
html,
p,
div,
a {
  margin: 0;
  padding: 0;
}
body {
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB',
    'Microsoft YaHei', Arial, sans-serif;
}
html {
  font-size: 50px;
}
.display-flex {
  display: flex;
  align-self: center;
}
.space-between {
  justify-content: space-between;
}
a {
  text-decoration: none;
  color: #cdcdcd;
}
header {
  background: url(http://shardingsphere.jd.com/images/bg.png) center top
    no-repeat;
  background-color: #060708;
  width: 100%;
}
.bg-left {
  background: url(http://shardingsphere.jd.com/images/background_center.png)
    1.16rem 2.9rem no-repeat;
  background-size: 1.22rem 1.22rem;
}
.bg-right {
  background: url(http://shardingsphere.jd.com/images/background_corner.png)
    5.96rem 4.8rem no-repeat;
  background-size: 0.74rem 0.74rem;
}
nav {
  margin: 0 auto;
  padding: 0.4rem 0.4rem;
}
.nav-img {
  height: 1.2rem;
}
.nav-btn {
  position: relative;
  width: 0.48rem;
  height: 0.08rem;
  background-color: #ffffff;
  border-left: 0.28rem solid rgba(0, 0, 0, 0.9);
  border-right: 0.28rem solid rgba(0, 0, 0, 0.9);
  border-top: 0.42rem solid rgba(0, 0, 0, 0.9);
  border-bottom: 0.42rem solid rgba(0, 0, 0, 0.9);
}
.nav-btn::before {
  content: '';
  position: absolute;
  top: -0.14rem;
  width: 0.48rem;
  height: 0.08rem;
  background-color: #ffffff;
}
.nav-btn::after {
  content: '';
  position: absolute;
  bottom: -0.14rem;
  width: 0.48rem;
  height: 0.08rem;
  background-color: #ffffff;
}
.nav-menu {
  text-align: center;
  color: #cdcdcd;
  margin-bottom: 1rem;
  height: 0;
  overflow: hidden;
  transition: height 1s;
}
.nav-item {
  margin-bottom: 0.52rem;
  font-size: 0;
}
.nav-item.space {
  margin-bottom: 1.5rem;
}
.nav-item a,
.nav-item .i-drop-btn {
  line-height: 0.44rem;
  font-size: 0.44rem;
}
.i-drop-pop {
  padding-bottom: 0.26rem;
}
.i-drop-list {
  display: block;
  font-size: 0.3rem;
  color: #979696;
  margin-bottom: 0.52rem;
}
.nav-item:hover,
.nav-item a:hover,
.i-drop-list:hover {
  color: #ee9a32;
}
.sub-img {
  display: block;
  margin: 0 auto 0.4rem;
  width: 1.42rem;
}
.sub-title {
  position: relative;
  margin: 0 0.5rem;
  padding-top: 1.36rem;
  text-align: center;
  color: #f09b1f;
}
.sub-title span {
  display: inline-block;
  margin: 0 auto;
  font-size: 0.6rem;
  line-height: 0.77rem;
  font-weight: bold;
  background: linear-gradient(to right, #7e297c, #f79a22, #d03135);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.sub-title span.small {
  font-size: 0.3rem;
}
.sub-corner {
  position: absolute;
  top: 0;
  left: 50%;
  margin-left: -1.05rem;
  width: 2.1rem;
  height: 0.7rem;
  font-size: 0.36rem;
  text-align: center;
  line-height: 0.7rem;
  color: #cdcdcd;
  background-color: #2f3338;
  border-radius: 4px;
}
.sub-corner::before {
  content: '';
  position: absolute;
  width: 0;
  height: 0;
  left: 0.89rem;
  bottom: -0.16rem;
  border-left: solid 0.14rem transparent;
  border-top: solid 0.16rem #2f3338;
  border-right: solid 0.14rem transparent;
}
.sub-hr {
  display: block;
  margin: 0.65rem auto 0.9rem;
  width: 1.83rem;
  height: 0.05rem;
  border: none;
  background-color: #f09b1f;
}
.sub-content {
  padding-bottom: 0.5rem;
  margin: 0 0.4rem;
}
.sub-text {
  font-size: 0.36rem;
  color: #cdcdcd;
  line-height: 0.54rem;
  margin: 0 auto 0.8rem;
}
.sub-btn_box {
  margin: 0 auto 1.2rem;
}
.sub-button {
  display: block;
  width: 6.24rem;
  height: 0.92rem;
  margin: 0 auto 0.3rem;
  color: #060708;
  line-height: 0.92rem;
  border-radius: 0.1rem;
  font-size: 0.36rem;
  text-align: center;
  background-color: #f09b1f;
}
.sub-button:hover {
  color: #ac650d;
  border: 1px solid #ac650d;
}
.sub-point {
  padding-bottom: 1.78rem;
  text-align: center;
}
.sub-point-list {
  padding-top: 1.6rem;
  text-align: center;
  font-size: 0;
}
.sub-point-list img {
  width: 2.9rem;
  padding-bottom: 0.6rem;
}
.sub-point-list p {
  font-size: 0.48rem;
  color: #ffffff;
}
.sub-btn-hr,
.con-footer-hr {
  display: block;
  width: 100%;
  margin: 0 auto;
  height: 1px;
  background-color: rgba(83, 83, 84, 0.5);
  border: none;
}
.con-shard,
.con-orch,
.con-footer {
  background-color: #222222;
}
.con-tran {
  background-color: #060708;
}
.con-item {
  text-align: center;
}
.l-msg {
  text-align: center;
  padding: 1.8rem 0 1.76rem;
  font-size: 0;
}
.l-m-tit {
  font-size: 0.6rem;
  color: #f09b1f;
}
.l-m-tit-hr {
  border: none;
  width: 1.83rem;
  height: 0.05rem;
  background-color: #f09b1f;
  margin: 0.8rem auto 0.9rem;
}
.l-m-info {
  font-size: 0.36rem;
  color: #cdcdcd;
  margin-bottom: 1.6rem;
}
.l-m-info p {
  line-height: 0.66rem;
}
.point-img {
  width: 4.86rem;
}
.footer-img {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0.34rem 0 0.34rem;
}
.footer-logo {
  width: 4.42rem;
}
.footer-apache {
  width: 1.1rem;
}
.footer-icon {
  margin: 0 auto;
  font-size: 0;
  padding-bottom: 0.4rem;
}
.footer-icon a {
  display: inline-block;
  padding: 0 0.3rem;
}
.footer-icon > a > img {
  width: 0.6rem;
}
.footer-disc {
  font-size: 0.28rem;
  line-height: 0.5rem;
  padding: 0.3rem;
  color: #cdcdcd;
  text-align: left;
}
.footer-link {
  font-size: 0.28rem;
}
.footer-link p {
  margin: 0;
  font-size: 0.28rem;
  line-height: 0.6rem;
  color: #cdcdcd;
}
.footer {
  text-align: center;
  background-color: #060708;
}
.footer p {
  font-size: 0.28rem;
  color: #cdcdcd;
  line-height: 0.5rem;
  padding: 0.2rem;
  margin: 0;
}
